# M vs MSG Reader · Converter, Opener

The clearest difference is in-app purchases: M at none against MSG Reader · Converter, Opener's 2. MSG Reader · Converter, Opener's advantage is update cadence (every 5 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MSG Reader · Converter, Opener sells 2 in-app purchases, starting at $4.99 per 7 days. M asks for nothing beyond the download.

M ships an update every 7 months, MSG Reader · Converter, Opener every 5 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | M | MSG Reader · Converter, Opener |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Size | 77 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SPRING s.r.l.](https://appshunter.io/developer/1499980148) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-box/id1570659900)

**Features:** macOS Compatibility

**In-app purchases:** none


### MSG Reader · Converter, Opener

[App page](https://appshunter.io/ios/app/msg-reader-converter-opener/id6777057114)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MSG Viewer Pro - Weekly | $4.99 | per 7 days |
| MSG Viewer Pro — Yearly | $29.99 | per year |


## Frequently asked questions

### Is M free?

M is free to download, with no in-app purchases.

### Is MSG Reader · Converter, Opener free?

MSG Reader · Converter, Opener is free to download, with in-app purchases available.

### Do M or MSG Reader · Converter, Opener have ads?

Neither M nor MSG Reader · Converter, Opener shows ads.

### Which is updated more often, M or MSG Reader · Converter, Opener?

M ships an update every 7 months, and MSG Reader · Converter, Opener every 5 days. Most recently, M was updated on October 1, 2026 and MSG Reader · Converter, Opener on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*